285347870880 has 96 divisors (see below), whose sum is σ = 899121311424. Its totient is φ = 76069441536.

The previous prime is 285347870851. The next prime is 285347870897. The reversal of 285347870880 is 88078743582.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505592 + ... + 1684488.

It is an arithmetic number, because the mean of its divisors is an integer number (9365846994).

Almost surely, 2^285347870880 is an apocalyptic number.

285347870880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285347870880 is an abundant number, since it is smaller than the sum of its proper divisors (613773440544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285347870880 is a wasteful number, since it uses less digits than its factorization.

285347870880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182238 (or 182230 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 60.

The spelling of 285347870880 in words is "two hundred eighty-five billion, three hundred forty-seven million, eight hundred seventy thousand, eight hundred eighty".